JP2003162006A - Transfer sheet, method for manufacturing lens sheet for transmission type screen by using the same and lens sheet for transmission type screen - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a transfer sheet having high cutting property of the foil to be used for a lens sheet or the like for a transmission type screen, to provide a lens sheet for a transmission type screen which is excellent in the contrast and which makes observation of sharp images possible and in which a light shielding layer capable of following up finer pitches of a lens array is formed by using the above transfer sheet, and to provide a method for manufacturing the lens sheet. <P>SOLUTION: The transfer sheet has a color layer containing a coloring pigment, an organic high molecular weight polymer and fine particles having ≤2 μm average primary particle size by 30 to 80 wt.%, 19.5 to 50 wt.% and 0.5 to 50 wt.%, respectively. The transfer sheet is used for the lens sheet for a screen and for the method for manufacturing the lens sheet. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer sheet for transferring a colored layer, and more particularly to a transfer sheet used in the process of manufacturing a lens sheet used for a transmission screen used in a projection television or the like. The present invention also relates to a method for manufacturing a lens sheet for a transmissive screen using the transfer sheet and a lens sheet for a transmissive screen.

[0002]

2. Description of the Related Art The following various methods are known as a method for molding a lens sheet represented by a lenticular sheet. (Pressing method) A method of pressing a thermoplastic resin with a heated stamper to form a lens surface. (Casting method) Melt-softened thermoplastic resin,
A method of molding the lens surface by applying and pouring it on the surface of the stamper where irregularities are formed and then solidifying. Further, in recent years, a method exemplified below has been developed as a method of molding a lens sheet using an ionizing radiation curable resin instead of such a thermoplastic resin. As an example, Japanese Patent Laid-Open No. 61-177215
As a method disclosed in the publication, it is defined by a transparent resin plate that transmits ionizing radiation (ultraviolet rays) and an unevenness forming surface of a stamper on which unevenness (Fresnel lens surface) of a predetermined shape forming a lens is formed. After filling the voids with an ultraviolet curable resin, the resin is irradiated with ultraviolet rays from the transparent resin plate side to cure the resin and polymerize and adhere to the transparent resin plate to produce a Fresnel lens having a laminated structure. There are ways. When applying a lenticular sheet formed by various methods to a transmissive screen used in a projection television or the like, a light-shielding pattern for improving contrast, for example, in a lenticular sheet, a stripe-shaped black light-shielding pattern ( Forming a black stripe) has been performed conventionally.

Various printing methods such as offset, gravure, and screen are commonly used as a method of forming a light-shielding pattern. In the printing method, the positional accuracy is such that the image area becomes a black stripe of the light-shielding area. If a lens array of the lens sheet is miniaturized or the lens sheet is increased in size, it is more difficult to produce the printing plate and register it (position). As a method of forming a light-shielding pattern other than the usual printing method, the following methods are known. For example, as disclosed in Japanese Patent Laid-Open No. 56-38035, there is a method of forming a light absorbing layer serving as a light shielding part on the "surface of a concave portion or a convex portion" other than a region including a light condensing portion of a lenticular plate. Proposed.
Since the part that forms the light absorption layer requires the "surface of the concave portion or the convex portion" formed on the flat surface of the lenticular plate, the shape of the lens sheet becomes complicated and not only molding becomes difficult, but also the lens There is a problem in that the strength of the sheet (the deeper the recesses, the thinner the portions corresponding to the valleys of the lenticular surface).

As disclosed in Japanese Examined Patent Publication No. 16497/1990, the lenticular surface is extruded, and at the same time, the ink is thermally laminated on a part other than the lenticular condensing part by using an ink coating roll. A method of forming an absorbent layer. The ink application roll is installed immediately after the molding die roll on the lenticular surface, and the protrusion is provided at a position corresponding to a portion other than the lenticular light collecting portion. The light absorbing layer is formed while supplying the ink containing a light absorbing agent and a resin that can be thermally laminated to a transparent substrate (lenticular plate) as a binder to the ridges. Registration of the inking roll to the lenticular mold roll is performed to form the light absorbing layer in the desired portion. As in the ordinary printing method, it is necessary to prepare a printing plate (ink coating roll) with high positional accuracy. The light-shielding pattern will depend on the image area of the printing plate (the ridges of the ink application roll).
Whether or not a light-shielding pattern is formed at a desired portion of the lens sheet (a portion other than the lenticular condensing portion) depends on the precision of the printing plate and the alignment at the time of printing (printing plate and lens sheet).
by. The lens array of the lens sheet is miniaturized,
As the lens sheet becomes larger, it is more difficult to make a printing plate and register (position) it.

Further, as a method for forming a light-shielding pattern on the back surface of the lens sheet with reliable positional accuracy without using a printing plate even for a lens sheet that does not require an uneven portion on which a light-shielding pattern is formed, The method is known. For example, as disclosed in Japanese Patent Laid-Open No. 59-121033, a positive photosensitive adhesive (adhesive whose adhesiveness disappears when exposed to light) is attached to the observation surface side of a transmission screen (lens sheet). The adhesive is exposed by a light beam projected from a projection light source (projector) or a light source having an opening equivalent to this from the surface opposite to the adhesive surface, and the adhesive of the light collecting portion of each unit lens of the lens sheet is exposed. After eliminating the adhesiveness, the light-shielding toner is sprayed from the observation surface to adhere to the unexposed area where the adhesive remains and to remove the toner and excess toner that have adhered to the area where the adhesive has disappeared due to exposure. By doing so, a method for obtaining a transmissive screen on which a pattern excellent in light shielding property is formed easily and inexpensively without requiring a wet process. However, in recent years, there has been a demand for a transmissive screen that can be used for a liquid crystal projection type projection television using a high-definition liquid crystal panel and can observe a clear image with excellent contrast. A lens array of a lenticular sheet for a transmissive screen is required. Is moving toward finer pitch. As for the pattern, various shapes other than stripes are being developed, and naturally the colored layer on which the light-shielding pattern is formed is required to follow the fine pitch of the lens array. The toner and the transfer sheet of No. 2 do not have both the light-shielding property and the foil cutting property for forming a high-definition light-shielding pattern, and there is no transmissive screen having excellent contrast and capable of observing a clear image. It was

[0006]

SUMMARY OF THE INVENTION The present invention has been studied and proposed in view of the above problems of the prior art, and provides a transfer sheet having foil cutability for forming a high-definition pattern, and For a transmissive screen that uses a transfer sheet in a lens sheet used for a transmissive screen, has a light-shielding layer that can follow the fine pitch of the lens array, has excellent contrast, and allows clear images to be observed. An object is to provide a lens sheet and a method for manufacturing the same.

[0007]

As a result of various investigations, the present inventors have found that the above-mentioned object can be achieved by the following means, and have completed the invention. The invention according to claim 1 is a transfer sheet, in which a colored layer containing a color pigment, an organic polymer, and fine particles having an average primary particle size of 2 μm or less is formed.

The invention according to claim 2 is the transfer sheet according to claim 1, wherein the layer thickness of the colored layer is in the range of 0.2 to 3.0 μm.

According to a third aspect of the present invention, the colored layer comprises:
30 to 80% by weight of a coloring pigment, an organic polymer, and fine particles having an average primary particle diameter of 2 μm or less, respectively,
The transfer sheet according to claim 1, wherein the transfer sheet contains 9.5 to 50% by weight and 0.5 to 50% by weight.

The invention according to claim 4 is the transfer sheet according to any one of claims 1 to 3, wherein the fine particles in the colored layer are silica.

According to the fifth aspect of the invention, (a) a step of forming an ionizing radiation curable resin layer on a flat surface of a lens sheet having a large number of lenses on one surface and the other surface being a flat surface, (b)
A step of irradiating a light source perpendicularly to the flat surface of the lens sheet from the lens side to cure the uncured resin in the portion condensed by each lens, (c) the resin other than the cured portion A transfer sheet having a colored layer formed on the entire surface is superposed on the colored layer side, and by utilizing the viscosity of the resin in the uncured portion, the colored layer is attached only to the uncured portion, A step of forming a light-shielding pattern by peeling the colored layer from the lens sheet, wherein the colored layer contains a coloring pigment, an organic polymer, and fine particles in an amount of 30 to 8 respectively.
0 wt%, 19.5-50 wt%, and 0.5-50
It is a method for producing a lens sheet for a transmissive screen, characterized in that the layer thickness is in the range of 0.2 to 3.0 μm, including the weight percentage.

According to a sixth aspect of the present invention, there is provided a lens sheet having a plurality of lenses on one surface and a light-shielding pattern in which a colored layer is provided on a non-light-collecting portion of the lens on the other surface.
A lens sheet for a transmissive screen, wherein the colored layer is formed by transferring the transfer sheet according to any one of claims 1 to 4.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A lenticular sheet used for a transmission screen will be described below as an embodiment of the present invention with reference to the drawings. FIG. 1 is an explanatory view conceptually showing a lenticular sheet used for a transmissive screen. The transmissive screen has a configuration in which a Fresnel lens (11) and a lenticular sheet (12) are combined, and a light source (projector) (1
Function to make the projection light from 0) (similar to the divergence light from a point light source) parallel light by a Fresnel lens and spread it horizontally in the lenticular sheet (the direction in which the cylindrical lenses are arranged) to the viewer side. To do. The light shielding pattern (13) will be formed on the flat surface of the lenticular sheet (12) on the viewer side.

As the lenticular sheet (20),
A transparent thermoplastic resin such as acrylic, vinyl chloride, or carbonate may be molded by any method, or a cured product of the resin using an ionizing radiation curable resin such as a UV curable resin or an EB curable resin. It is also possible that only the lens of the lenticular sheet is made of a cured product of the ionizing radiation curable resin, and the lens is formed on the surface of a transparent resin substrate.

(A) A step of forming an ionizing radiation curable resin layer (21) on the flat surface of a lens sheet (20) having a large number of lenses on one surface and the other surface being a flat surface. (FIG. 2 (a)) (b) A light source is irradiated perpendicularly to the flat surface of the lens sheet from the lens side, and the ionizing radiation curable resin (21 (a)) at the portion focused by each lens is irradiated. ) Curing step. (FIG. 2B) (c) After the step (b), a black colored layer (2) is formed on the entire flat surface of the lens sheet on which the ionizing radiation-curable resin layer is formed.
The transfer sheet (30) on which 3) is formed is superposed on the colored layer side, and the colored layer is attached only to the uncured portion by utilizing the viscosity of the resin (21 (b)) in the uncured portion ( Two
4) and the colored layer (23) in the cured portion is peeled off from the lens sheet to form a light-shielding pattern made of the colored layer. (Fig. 2 (c))

In the above method, in the step (c), when the light-shielding pattern is formed using the conventional transfer sheet having the general black colored layer formed thereon, the light-shielding surface of the lenticular sheet produced is , A light-shielding pattern is not necessarily formed at a location where a true light-shielding pattern needs to be formed, and blanks or burrs of the colored layer are likely to occur due to a transfer failure from the transfer sheet. However, it is impossible to obtain a lenticular sheet for a transmissive screen which has an excellent contrast and allows a clear image to be observed.

Color pigments, organic high molecular polymers of the present invention,
Fine particles having an average primary particle size of 2 μm or less are
30-80 parts by weight, 19.5-50 parts by weight, and 0.
The light-shielding surface of the lens sheet produced by forming a light-shielding pattern using a transfer sheet containing a coloring layer having a layer thickness of 0.2 to 3.0 μm in an amount of 5 to 50 parts by weight is A light-shielding layer that can follow the fine pitch of the lens array because it is formed only in the area where the light-shielding pattern consisting of the colored layer is required and there is no missing or burr of the colored layer due to transfer failure or peeling failure from the transfer sheet. It is possible to obtain a lens sheet for a transmissive screen, which has a high contrast and is capable of observing a clear image. Hereinafter, the transfer sheet of the present invention will be described in detail.

The transfer sheet has a structure in which a colored layer (23) consisting of a colored ink layer is coated on one surface of a base material (22), which is generally used as a transfer film as the base material. Can be used. Specific examples thereof include plastic films such as polyethylene terephthalate, polypropylene, polyethylene, cellophane, polyvinyl chloride, polystyrene and nylon, and papers such as condenser paper and paraffin paper, with polyester film being particularly preferable.

The coloring layer (23) contains a coloring pigment, an organic polymer and fine particles having an average primary particle diameter of 2 μm or less. As the coloring pigment, various known pigments can be used, and generally black carbon black, iron black, aniline black, a color mixture of organic pigments and the like can be mentioned, but carbon black is particularly preferable.

The organic high molecular weight polymer is a component for holding the color pigment, has good adhesiveness to the uncured portion of the ionizing radiation curable resin layer, and has releasability from the base material (22). Are preferred. Generally, thermoplastic resins such as acrylic resin, epoxy resin, saturated polyester resin, polyvinyl chloride resin, polyvinyl acetate resin, vinyl chloride-vinyl acetate copolymer, polyvinyl acetal resin, phenol resin, urethane resin, etc. However, acrylic resin is preferable in consideration of adhesiveness with ionizing radiation curable resin and releasability from a substrate.

The fine particles are a component necessary for transferability at the time of transfer, specifically, for forming a high-definition light-shielding pattern, for transferring to a sharp shape without blanks and burrs.
Specifically, a substance that reduces the cohesive force is preferable,
For example, silica, calcium carbonate, kaolin, clay, starch, zinc oxide, Teflon (registered trademark) powder, polyethylene powder, polymethylmethacrylate resin beads,
Examples thereof include polyurethane resin beads, benzoguanamine and melamine resin beads. Among the above, fine particles of silica are particularly preferable.

With respect to the size of the fine particles, the average primary particle diameter is preferably 2.0 μm or less. When the particle size is 2.0 μm or more, transferability, more specifically, the shape in which the light shielding pattern is formed is deteriorated, which is not preferable. Further, more preferably, the average primary particle size is 1.0 μm or less.

The composition of the composition for forming the colored layer (23) is 30-80 parts by weight of the color pigment and 19.00 parts by weight of the organic high-molecular polymer based on 100 parts by weight of the total solid content.
5 to 50 parts by weight, and fine particles are 0.5 to 50 parts by weight.
When the amount of the coloring pigment is less than the above range, it is difficult to obtain a sufficient density, and it is not possible to obtain the light-shielding property. When the amount of the organic polymer is less than the above range, it is not preferable because the film strength is lowered, and when it is more than the above range, the transferability, more specifically, the shape in which the light shielding pattern is formed is not preferable. If the amount of fine particles is less than the above range, the transferability, more specifically, the shape in which the light-shielding pattern is formed, is not preferable, and if the amount is large, good ink fluidity cannot be obtained. In addition, various additives can be added to this, if necessary. The addition amount is preferably 10 parts by weight or less with respect to 100 parts by weight of the composition for forming the colored layer.

The thickness of the colored layer (23) is 0.
2 to 3.0 μm is preferable. When the film thickness is less than 0.2 μm, it is difficult to obtain a sufficient density, and it is not possible to obtain the light shielding property. When the film thickness exceeds 3.0 μm, the transferability, more specifically, the shape of the light shielding pattern is deteriorated. Is not preferable.

The transfer sheet manufacturing method of the present invention is
A composition obtained by dispersing or dissolving a colorant, an organic polymer and fine particles having an average primary particle diameter of 2.0 μm or less on a substrate such as coated paper or plastic in a solvent is bar-coated, blade-coated, It consists of applying by a solvent coating method such as air knife coating, gravure coating, roll coating, etc. and drying to form a colored layer.

[0026]

EXAMPLES An example of the present invention will be described below.
The present invention is not limited to what is used below. (Lenticular sheet) A cylindrical lens group made of a cured product of a UV curable resin (material: epoxy acrylate) formed on a transparent substrate (material: polyethylene terephthalate) having a thickness of 125 μm. Lens pitch 155 μm, size 120 cm x 90 cm

(Photopolymer) Chromalin film (made by DuPont)

(Transfer Sheet) A transfer foil is prepared by coating a colored layer having the following formulation on one surface of a substrate polyethylene terephthalate (Toray Lumirror 25 μm) with a wire bar.

[0029] (Colored layer composition) <Example 1>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Fine particles (silica: Aerosil R972 made by Nippon Aerosil)                                                           10 parts by weight   Average primary particle size 0.02 μm   Solvent (methyl ethyl ketone / toluene = 1/1) 70 parts by weight

The above-prepared colored ink for transfer sheet was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 1.5 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

[0031] <Example 2>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Fine particles (calcium carbonate: μ powder 3R manufactured by Casey Industries)                                                             10 parts by weight   Average primary particle size 0.27 μm   Solvent (methyl ethyl ketone / toluene = 1/1) 70 parts by weight

The colored ink for a transfer sheet having the above formulation was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 1.5 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

[0033] <Example 3>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Fine particles (Melamine resin beads: Nippon Shokubai Eposter S)                                                             10 parts by weight   Average primary particle size 0.20 μm   Solvent (methyl ethyl ketone / toluene = 1/1) 70 parts by weight

The colored ink for a transfer sheet having the above formulation was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 1.5 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

[0035] <Example 4>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Fine particles (Melamine resin beads: Nippon Shokubai Eposter S12)                                                             10 parts by weight   Average primary particle size 1.2 μm   Solvent (methyl ethyl ketone / toluene = 1/1) 70 parts by weight

A colored ink for a transfer sheet having the above formulation was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 1.5 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

[0037] <Example 5>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Fine particles (silica: Aerosil R972 made by Nippon Aerosil)                                                             10 parts by weight   Average primary particle size ... 0.02 μm   Solvent (methyl ethyl ketone / toluene = 1/1) 70 parts by weight

The above-prepared colored ink for transfer sheet was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 0.1 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

[0039] <Example 6>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Fine particles (silica: Aerosil R972 made by Nippon Aerosil)                                                             10 parts by weight   Average primary particle size 0.02 μm   Solvent (methyl ethyl ketone / toluene = 1/1) 70 parts by weight

The above-prepared colored ink for a transfer sheet was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 4.0 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

[0041] <Comparative Example 1>   Carbon black 10 parts by weight   Acrylic resin (Mitsubishi Rayon BR80) 10 parts by weight   Solvent (methyl ethyl ketone / toluene = 1/1) 80 parts by weight

A colored ink for a transfer sheet having the above formulation was applied to a base material polyethylene terephthalate film (Lumirror 25 μm manufactured by Toray) so that the dry film thickness was 1.5 μm.
The transfer sheet of the present invention was obtained by applying and drying with a wire bar.

<Exposure Conditions> Light source used Near-ultraviolet mercury lamp (output 13 kW, 120 W / cm) Moving speed 2 cm / sec The resin layer 2 in the portion condensed by the lens function of the cylindrical lens is cured, and the portion (white portion) )
To be non-sticky. The portion of the resin layer 2 that is not condensed by the lens function (hatched portion) remains adhesive.

<Transfer conditions> The transfer ink layer (black) of the transfer sheet is overlaid on the resin layer 2, and the ink layer is transferred and formed only on the adhesive resin layer 2 (hatched portion). A method in which the ink layer is not transferred to layer 2.

Performance evaluation of optical properties of the lenticular sheets prepared in Examples 1 to 4 and Comparative Examples 1 to 3 was performed by the following method.

<Evaluation of Contrast> Using a liquid crystal projection screen television manufactured by A, various lenticular sheets were set, and the luminance (cd / m ² ) under the environment of a brightness of 500 LUX was measured. For measurement,
Using BM-7 manufactured by Topcon, the value of black luminance: white luminance is displayed as the contrast.

<Evaluation of total light transmittance> Using a haze meter (NDH2000 manufactured by Nippon Denshoku Industries Co., Ltd.), JISK
7361 (compensation method).

<Image sharpness> Table 1 shows the results obtained by visual evaluation of 10 persons according to the following evaluation criteria. The evaluation was performed according to the following criteria. A: Very good. B: Good. C: Slightly inferior, but acceptable. D: inferior

[0049]

[Table 1]

From the results in Table 1 above, by using the transfer sheet of the present invention in which the fine particles having an average primary particle diameter of 2.0 μm or less are added to the coloring layer, the transfer sheet has good contrast and light-shielding property, Moreover, it is clear that a true light-shielding pattern having a good total light transmittance is formed, and the image sharpness is improved. Further, it has been clarified that a better light-shielding pattern is formed by controlling the film thickness of the colored layer, the component ratio, the average primary particle diameter of the fine particles, and the like.

[0051]

EFFECTS OF THE INVENTION By using a transfer sheet containing fine particles having an average primary particle diameter of 2.0 μm or less according to the present invention, a light-shielding pattern is formed only at a location where it is necessary to form a fine lens array. It is possible to provide a lens sheet for a transmissive screen, which has a light-shielding layer capable of following pitching and has excellent contrast and allows a clear image to be observed. Further, by setting the thickness of the colored layer, the component ratio of the colored layer, and the like within the stipulated ranges of the present invention, the contrast and the image clarity are further excellent. In addition, it is possible to provide a method for producing a lens sheet for a transmissive screen, which is free from the occurrence of bleeding or burrs in the colored layer due to poor transfer or peeling failure from the transfer sheet during transfer.

[0052]

[Brief description of drawings]

FIG. 1 is an explanatory view conceptually showing a usage state of a lenticular sheet used for a transmissive screen.

FIG. 2 is an explanatory view showing a method of forming a light shielding pattern according to the present invention in the order of steps.

[Explanation of symbols]

10 Projector 11 Fresnel Sheet 12, 20 Lenticular Sheet (Lens Sheet) 13, 24 Light-shielding Layer 21 Made of Colored Layer Ionizing Radiation Curing Resin Layer 21 (1) Ionizing Radiation Curing Resin Layer Uncured Part 21 (2) Ionizing Radiation Cured portion of curable resin layer 22 Transfer sheet base film 23 Colored layer 30 Transfer sheet

Claims (6)

[Claims] 1. A transfer sheet comprising a colored layer containing a color pigment, an organic polymer, and fine particles having an average primary particle size of 2 μm or less. 2. The transfer sheet according to claim 1, wherein the color layer has a layer thickness in the range of 0.2 to 3.0 μm. 3. The coloring layer contains a coloring pigment, an organic high molecular polymer, and fine particles having an average primary particle diameter of 2 μm or less in an amount of 30 to 80% by weight, 19.5 to 50% by weight, and 0. 5
The transfer sheet according to claim 1 or 2, wherein the transfer sheet contains 50% by weight to 50% by weight. 4. The transfer sheet according to claim 1, wherein the fine particles in the colored layer are silica. 5. (a) A step of forming an ionizing radiation curable resin layer on a flat surface of a lens sheet having a large number of lenses on one surface and the other surface being a flat surface, and (b) a light source from the lens side to the lens side. A step of irradiating the flat surface of the sheet perpendicularly to cure the uncured resin in the portion condensed by each lens, (c) the resin surface other than the cured portion,
A transfer sheet having a colored layer formed on the entire surface is superposed on the colored layer side, and the viscosity of the resin in the uncured portion is used to
A step of forming a light-shielding pattern by adhering the colored layer only to the uncured portion and peeling the colored layer of the cured portion from the lens sheet, wherein the colored layer is a colored pigment or an organic pigment. It contains a molecular polymer and fine particles in an amount of 30 to 80% by weight, 19.5 to 50% by weight, and 0.5 to 50% by weight, respectively, and a layer thickness of 0.2 to
A method for producing a lens sheet for a transmissive screen, which is in the range of 3.0 μm. 6. A lens sheet having a light-shielding pattern having a large number of lenses on one surface and a colored layer provided on a non-light-condensing portion of the lens on the other surface, wherein the colored layers are
4. A lens sheet for a transmissive screen, which is formed by transferring the transfer sheet according to any one of 4 above.